it in his mug ahead of time. >>> the science of e-mail fund-raising. how the obama campaign mastered the art of asking for money over and over again. bloomberg businessweek's josh green joins us next with an exclusive first look at his new piece on "morning joe." >>> beautiful picture of the sun coming up over washington. joining us now from d.c., senior national correspondent for "businessweek," josh green looks at the science behind the obama campaign's very successful e-mail blasts. maybe you even saw them. josh writes in part, "one fascination in a presidential race mostly bereft of intrigue was the strange, incessant and weirdly overfamiliar e-mails that emanated from the obama campaign. anyone who shared an address with the campaign soon started receiving messages from barack obama with subject lines like "join me for dinner?" or "it's officially over," "it doesn't have to be this way," or just "wow." jon stewart mocked them on the daily show, the hairpin likened them to notes from a stalker, but they worked. most of the $690 million obama raised online came from fund-raising e-mails."